Oval|Lab Grown|IGI

1.21ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG839683856

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839683856

Diamond specifications and retailer prices

From $315 USD
As of November 1, 2026
Save $2,027 USD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,590 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839683856 or 839683856. Listed at 24 retailers as of October 30, 2026, with a 643% 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839683856
Dimensions8.77 × 6.03 × 3.71 mm
L/W Ratio1.45
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
8.77 mm6.03 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839683856
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

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: $2,590 USD|Low: $302 USD|High: $2,590 USD|Avg: $952 USD
Rare Carat
Retailer 2
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Retailer 24
November 1, 2026
Retailer 24$315 USD
Retailer 21$365 USD
Retailer 14$387 USD
Retailer 5$390 USD
Retailer 8$390 USD
Retailer 6$404 USD
Retailer 19$545 USD
Retailer 16$588 USD
Retailer 18$609 USD
Retailer 10$618 USD
Retailer 9$633 USD
Retailer 20$671 USD
Retailer 13$690 USD
Retailer 12$791 USD
Retailer 7$836 USD
Retailer 3$1,255 USD
Retailer 15$1,301 USD
Retailer 22$1,376 USD
Retailer 17$1,402 USD
Retailer 11$1,560 USD
Retailer 2$1,565 USD
Retailer 4$1,624 USD
Retailer 23$2,342 USD
Rare Carat$2,590 USD

29 data points across 24 retailers

24 retailers$315 USD to $2,342 USD

A
Cheapest Retailer
-
$315 USD
A
Retailer 2
-
$365 USD
View
A
Retailer 3
-
$387 USD
View
Final sale: no returns
Retailer 4
-
$390 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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$390 USD
View
Retailer 6
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$404 USD
£318 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
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$545 USD
View
A
Retailer 8
-
$588 USD
View
A
Retailer 9
-
$609 USD
€580 EUR
View
A
Retailer 10
-
$618 USD
View
B+
Retailer 11
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$633 USD
View
A
Retailer 12
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$671 USD
ZAR 10,835 ZAR
View
B+
Retailer 13
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$690 USD
£543 GBP
View
B+
Retailer 14
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$791 USD
View
B+
Retailer 15
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$836 USD
View
B+
Retailer 16
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$1,255 USD
View
B
Retailer 17
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$1,301 USD
View
B
Retailer 18
-
$1,376 USD
CA$1,911 CAD
View
B
Retailer 19
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$1,402 USD
View
B
Retailer 20
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$1,560 USD
View
B+
Retailer 21
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$1,565 USD
£1,232 GBP
View
B
Retailer 22
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$1,624 USD
View
B
Retailer 23
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$2,342 USD
View
Most Expensive
Rare Carat
ADR-E103381 · Oct 21
$2,590 USD
View
Price last confirmed 11 days ago
23 more retailers have this diamond
Prices start from $315 USDSave up to $2,027 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
$315 USD