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Oval|Lab Grown|IGI

1.27ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG783647421

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG783647421

Diamond specifications and retailer prices

From $297 USD
As of October 29, 2026
Save $1,933 USD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,230 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.27ct lab-grown oval diamond

This 1.27ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG783647421 or 783647421. Listed at 25 retailers as of October 29, 2026, with prices from $297 to $2,230, a $1,933 spread on the same certified stone. Brilliant Earth lists it at $2,230. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783647421
Dimensions9.25 × 5.90 × 3.73 mm
L/W Ratio1.57
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.25 mm5.90 mm1.27 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783647421
Side View
Table 58.0%Crown 34.8°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,230 USD|Low: $287 USD|High: $3,300 USD|Avg: $939 USD|-32.4%
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 21$297 USD
Retailer 22$332 USD
Retailer 14$347 USD
Retailer 4$369 USD
Retailer 16$371 USD
Retailer 2$381 USD
Retailer 13$495 USD
Retailer 7$525 USD
Retailer 15$621 USD
Retailer 6$637 USD
Retailer 19$654 USD
Retailer 9$655 USD
Retailer 5$899 USD
Retailer 11$953 USD
Retailer 3$1,180 USD
Retailer 12$1,192 USD
Retailer 20$1,233 USD
Retailer 17$1,316 USD
Retailer 23$1,433 USD
Retailer 8$1,488 USD
Retailer 18$1,504 USD
Retailer 10$1,640 USD
Brilliant Earth$2,230 USD

28 data points across 23 retailers

25 retailers$297 USD to $2,230 USD

A
Cheapest Retailer
-
$297 USD
A
Retailer 2
-
$332 USD
View
Final sale: no returns
A
Retailer 3
-
$347 USD
View
A
Retailer 4
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$369 USD
View
A
Retailer 5
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$371 USD
View
A
Retailer 6
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$381 USD
£300 GBP
View
A
Retailer 7
-
$410 USD
HK$3,200 HKD
View
A
Retailer 8
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$495 USD
View
A
Retailer 9
-
$525 USD
View
A
Retailer 10
-
$621 USD
View
A
Retailer 11
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$637 USD
ZAR 10,292 ZAR
View
A
Retailer 12
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$654 USD
£515 GBP
View
Retailer 13
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$655 USD
€624 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
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$854 USD
View
B+
Retailer 15
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$899 USD
A$1,383 AUD
View
B+
Retailer 16
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$953 USD
View
B+
Retailer 17
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$1,180 USD
SGD 1,595 SGD
View
B
Retailer 18
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$1,192 USD
View
B
Retailer 19
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$1,233 USD
View
B+
Retailer 20
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$1,316 USD
A$2,024 AUD
View
B
Retailer 21
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$1,433 USD
£1,128 GBP
View
B+
Retailer 22
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$1,488 USD
£1,172 GBP
View
B
Retailer 23
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$1,504 USD
View
Retailer 24
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$1,640 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
19704233A · Oct 30
$2,230 USD
View
24 more retailers have this diamond
Prices start from $297 USDSave up to $1,933 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.27ct Oval
$297 USD