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Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG818607823

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818607823

Diamond specifications and retailer prices

From $247 USD
As of October 23, 2026
Save $1,097 USD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,344 USD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.25ct lab-grown oval diamond

This 1.25ct 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 LG818607823 or 818607823. Listed at 18 retailers as of October 23, 2026, with prices from $247 to $1,344, a $1,097 spread on the same certified stone. Reve Diamonds lists it at $1,344. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818607823
Dimensions8.71 × 6.11 × 3.80 mm
L/W Ratio1.43
Girdle conditionFaceted
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
8.71 mm6.11 mm1.25 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818607823
Side View
Table 60.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.2%

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 23
Current: $324 USD|Low: $164 USD|High: $3,350 USD|Avg: $776 USD
Retailer 1
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Retailer 22
Reve Diamonds
October 28, 2026
Retailer 10$164 USD
Retailer 3$247 USD
Retailer 18$287 USD
Retailer 4$307 USD
Retailer 21$307 USD
Retailer 20$317 USD
Retailer 1$324 USD
Retailer 13$476 USD
Retailer 9$498 USD
Retailer 7$515 USD
Retailer 12$564 USD
Retailer 8$597 USD
Retailer 6$621 USD
Retailer 17$753 USD
Retailer 19$812 USD
Retailer 11$901 USD
Retailer 15$955 USD
Retailer 2$985 USD
Retailer 22$989 USD
Retailer 5$1,037 USD
Retailer 16$1,231 USD
Reve Diamonds$1,344 USD
Retailer 14$3,350 USD

14 data points across 23 retailers

18 retailers$247 USD to $1,344 USD

A
Cheapest Retailer
-
$247 USD
A
Retailer 2
-
$287 USD
View
A
Retailer 3
-
$307 USD
View
A
Retailer 4
-
$307 USD
View
A
Retailer 5
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$317 USD
£250 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
$324 USD
View
Final sale: no returns
A
Retailer 7
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$515 USD
View
A
Retailer 8
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$564 USD
£444 GBP
View
A
Retailer 9
-
$597 USD
A$918 AUD
View
A
Retailer 10
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$621 USD
View
B+
Retailer 11
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$753 USD
A$1,159 AUD
View
B+
Retailer 12
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$812 USD
View
B+
Retailer 13
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$901 USD
A$1,386 AUD
View
Price last confirmed 71 days ago
B+
Retailer 14
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$985 USD
View
B+
Retailer 15
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$989 USD
View
B+
Retailer 16
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$1,037 USD
View
B+
Retailer 17
-
$1,231 USD
£969 GBP
View
Most Expensive
B
Reve Diamonds
53AB279A1 · Oct 25
$1,344 USD
View
17 more retailers have this diamond
Prices start from $247 USDSave up to $1,097 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
1.25ct Oval
$247 USD