CaratHunter
Plans
Oval|Lab Grown|IGI

1.77ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG677520940

Certificate IGI LG677520940

Diamond specifications and retailer prices

From $312 USD
Save $3,718 USD (92%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,030 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 LG677520940 or 677520940. Listed at 27 retailers, with prices from $312 to $4,030 at Brilliant Earth, a $3,718 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677520940
Dimensions9.78 × 6.79 × 4.24 mm
L/W Ratio1.44
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
9.78 mm6.79 mm1.77 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677520940
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $4,030 USD|Low: $248 USD|High: $4,030 USD|Avg: $1,234 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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
September 29, 2026
Retailer 7$312 USD
Retailer 3$362 USD
Retailer 23$376 USD
Retailer 10$382 USD
Retailer 21$456 USD
Retailer 18$492 USD
Retailer 2$555 USD
Retailer 20$589 USD
Retailer 6$656 USD
Retailer 4$677 USD
Retailer 25$719 USD
Retailer 13$758 USD
Retailer 16$772 USD
Retailer 14$974 USD
Retailer 24$991 USD
Retailer 11$1,040 USD
Retailer 9$1,058 USD
Retailer 26$1,373 USD
Retailer 12$1,532 USD
Retailer 17$1,546 USD
Retailer 8$1,599 USD
Retailer 5$1,634 USD
Retailer 22$1,689 USD
Retailer 27$2,181 USD
Retailer 19$2,663 USD
Retailer 15$2,770 USD
Brilliant Earth$4,030 USD

31 data points across 27 retailers

27 retailers$312 USD to $4,030 USD

A
Cheapest Retailer
-
$312 USD
A
Retailer 2
-
$362 USD
View
A
Retailer 3
-
$376 USD
View
A
Retailer 4
-
$382 USD
View
A
Retailer 5
-
$456 USD
£359 GBP
View
B+
Retailer 6
-
$492 USD
View
A
Retailer 7
-
$555 USD
View
A
Retailer 8
-
$589 USD
HK$4,600 HKD
View
Price last confirmed 27 days ago
A
Retailer 9
-
$656 USD
View
A
Retailer 10
-
$677 USD
€645 EUR
View
A
Retailer 11
-
$719 USD
ZAR 11,613 ZAR
View
A
Retailer 12
-
$758 USD
£597 GBP
View
A
Retailer 13
-
$772 USD
A$1,188 AUD
View
A
Retailer 14
-
$974 USD
View
A
Retailer 15
-
$991 USD
A$1,525 AUD
View
A
Retailer 16
-
$1,040 USD
View
A
Retailer 17
-
$1,058 USD
View
B+
Retailer 18
-
$1,373 USD
View
B+
Retailer 19
-
$1,532 USD
View
B+
Retailer 20
-
$1,546 USD
View
B+
Retailer 21
-
$1,599 USD
View
B+
Retailer 22
-
$1,634 USD
SGD 2,208 SGD
View
B+
Retailer 23
-
$1,689 USD
£1,330 GBP
View
B
Retailer 24
-
$2,181 USD
A$3,355 AUD
View
B
Retailer 25
-
$2,663 USD
View
Price last confirmed 38 days ago
B
Retailer 26
-
$2,770 USD
View
Most Expensive
B
Brilliant Earth
15114606Y · Sep 29
$4,030 USD
View
26 more retailers have this diamond
Prices start from $312 USDSave up to $3,718 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
$312 USD