Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG803681088

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG803681088

Diamond specifications and retailer prices

From $259 USD
As of November 1, 2026
Save $2,581 USD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,140 USD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG803681088 or 803681088. Listed at 24 retailers as of November 1, 2026, with a 997% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle29.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803681088
Dimensions7.73 × 5.39 × 3.59 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
7.73 mm5.39 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803681088
Side View
Table 62.0%Crown 37.5°Girdle: THN-THKPavilion 29.4°Culet: NoneDepth 66.6%

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: Nov 1
Current: $2,840 USD|Low: $249 USD|High: $3,140 USD|Avg: $780 USD|-0.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 3$259 USD
Retailer 7$300 USD
Retailer 4$321 USD
Retailer 8$331 USD
Retailer 15$480 USD
Retailer 11$522 USD
Retailer 5$535 USD
Retailer 9$555 USD
Retailer 2$614 USD
Retailer 12$781 USD
Retailer 14$987 USD
Retailer 6$1,032 USD
Retailer 10$1,287 USD
Retailer 13$1,560 USD
Brilliant Earth$2,840 USD

37 data points across 15 retailers

24 retailers$259 USD to $2,840 USD

A
Cheapest Retailer
-
$259 USD
A
Retailer 2
-
$290 USD
View
Final sale: no returns
A
Retailer 3
-
$300 USD
View
Retailer 4
-
$321 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$321 USD
View
A
Retailer 6
-
$331 USD
£260 GBP
View
A
Retailer 7
-
$480 USD
View
A
Retailer 8
-
$522 USD
€497 EUR
View
A
Retailer 9
-
$535 USD
View
A
Retailer 10
-
$555 USD
ZAR 8,958 ZAR
View
A
Retailer 11
-
$572 USD
View
A
Retailer 12
-
$614 USD
£483 GBP
View
B+
Retailer 13
-
$772 USD
View
B+
Retailer 14
-
$781 USD
A$1,202 AUD
View
B+
Retailer 15
-
$987 USD
View
B+
Retailer 16
-
$1,032 USD
View
B+
Retailer 17
-
$1,035 USD
SGD 1,399 SGD
View
B+
Retailer 18
-
$1,084 USD
View
B+
Retailer 19
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$1,287 USD
£1,013 GBP
View
B
Retailer 20
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$1,382 USD
View
Retailer 21
-
$1,560 USD
View
Price last confirmed 15 days ago
B
Retailer 22
-
$2,299 USD
£1,810 GBP
View
B
Retailer 23
-
$2,840 USD
View
Most Expensive
Brilliant Earth
21656525A · Oct 25
$3,140 USD
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from $259 USDSave up to $2,581 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
1.21ct Oval
$259 USD