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Oval|Lab Grown|IGI

1.77ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG787620965

Certificate IGI LG787620965

Diamond specifications and retailer prices

From $492 USD
Save $3,558 USD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,050 USD at Brilliant Earth
View at Brilliant Earth

About this 1.77ct lab-grown oval diamond

This 1.77ct 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 LG787620965 or 787620965. Listed at 15 retailers, with prices from $492 to $4,050 at Brilliant Earth, a $3,558 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

1.77
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620965
Dimensions9.90 × 6.76 × 4.17 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
9.90 mm6.76 mm1.77 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620965
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.7%

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: $4,050 USD|Low: $303 USD|High: $5,570 USD|Avg: $1,417 USD|-27.3%
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
October 1, 2026
Retailer 7$303 USD
Retailer 2$492 USD
Retailer 6$512 USD
Retailer 13$677 USD
Retailer 14$693 USD
Retailer 11$719 USD
Retailer 9$758 USD
Retailer 4$974 USD
Retailer 16$1,357 USD
Retailer 3$1,409 USD
Retailer 5$1,416 USD
Retailer 10$1,689 USD
Retailer 15$1,750 USD
Retailer 12$2,181 USD
Retailer 8$3,290 USD
Brilliant Earth$4,050 USD

38 data points across 16 retailers

15 retailers$492 USD to $4,050 USD

B+
Cheapest Retailer
-
$492 USD
A
Retailer 2
-
$512 USD
HK$4,000 HKD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$677 USD
€645 EUR
View
A
Retailer 4
-
$693 USD
View
A
Retailer 5
-
$719 USD
ZAR 11,613 ZAR
View
A
Retailer 6
-
$759 USD
£598 GBP
View
A
Retailer 7
-
$974 USD
View
B+
Retailer 8
-
$1,357 USD
View
B+
Retailer 9
-
$1,416 USD
View
B+
Retailer 10
-
$1,438 USD
View
B+
Retailer 11
-
$1,689 USD
£1,330 GBP
View
B+
Retailer 12
-
$1,750 USD
View
B
Retailer 13
-
$2,181 USD
A$3,355 AUD
View
B
Retailer 14
-
$3,290 USD
View
Price last confirmed 52 days ago
Most Expensive
B
Brilliant Earth
19712090A · Oct 1
$4,050 USD
View
14 more retailers have this diamond
Prices start from $492 USDSave up to $3,558 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
1.77ct Oval
$492 USD