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Oval|Lab Grown|IGI

1.91ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG778676582

Certificate IGI LG778676582

Diamond specifications and retailer prices

From $532 USD
Save $5,898 USD (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,430 USD at Brilliant Earth
View at Brilliant Earth

About this 1.91ct lab-grown oval diamond

This 1.91ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778676582 or 778676582. Listed at 20 retailers, with prices from $532 to $6,430 at Brilliant Earth, a $5,898 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778676582
Dimensions10.07 × 6.91 × 4.34 mm
L/W Ratio1.46
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
10.07 mm6.91 mm1.91 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778676582
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $6,430 USD|Low: $379 USD|High: $6,430 USD|Avg: $1,743 USD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
September 30, 2026
Retailer 4$532 USD
Retailer 11$640 USD
Retailer 19$840 USD
Retailer 17$880 USD
Retailer 6$890 USD
Retailer 2$919 USD
Retailer 12$970 USD
Retailer 16$992 USD
Retailer 14$1,376 USD
Retailer 7$1,462 USD
Retailer 9$1,605 USD
Retailer 5$1,722 USD
Retailer 18$1,867 USD
Retailer 8$1,923 USD
Retailer 10$2,072 USD
Retailer 13$2,191 USD
Retailer 3$2,391 USD
Retailer 15$3,835 USD
Brilliant Earth$6,430 USD

39 data points across 19 retailers

20 retailers$532 USD to $6,430 USD

A
Cheapest Retailer
-
$532 USD
A
Retailer 2
-
$640 USD
HK$5,000 HKD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$840 USD
View
A
Retailer 4
-
$880 USD
€838 EUR
View
A
Retailer 5
-
$890 USD
View
A
Retailer 6
-
$919 USD
View
A
Retailer 7
-
$972 USD
£765 GBP
View
A
Retailer 8
-
$992 USD
ZAR 16,020 ZAR
View
B+
Retailer 9
-
$1,376 USD
A$2,117 AUD
View
B+
Retailer 10
-
$1,462 USD
View
B+
Retailer 11
-
$1,605 USD
View
B+
Retailer 12
-
$1,722 USD
£1,356 GBP
View
B+
Retailer 13
-
$1,867 USD
SGD 2,523 SGD
View
B+
Retailer 14
-
$1,923 USD
View
B+
Retailer 15
-
$2,072 USD
View
B+
Retailer 16
-
$2,191 USD
£1,725 GBP
View
B+
Retailer 17
-
$2,242 USD
View
B
Retailer 18
-
$2,391 USD
View
B
Retailer 19
-
$3,835 USD
View
Most Expensive
B
Brilliant Earth
19064257A · Oct 1
$6,430 USD
View
19 more retailers have this diamond
Prices start from $532 USDSave up to $5,898 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.

A
1.91ct Oval
$532 USD