Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG776669278

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776669278

Diamond specifications and retailer prices

From $577 USD
As of October 30, 2026
Save $2,062 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,639 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776669278 or 776669278. Listed at 14 retailers as of October 29, 2026, with prices from $577 to $2,639, a $2,062 spread on the same certified stone. MOH London lists it at $2,639. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776669278
Dimensions7.00 × 6.97 × 4.31 mm
L/W Ratio1.00
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
7.00 mm6.97 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776669278
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.7%

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: Oct 30
Current: $2,639 USD|Low: $490 USD|High: $2,687 USD|Avg: $1,138 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 4$513 USD
Retailer 9$577 USD
Retailer 12$637 USD
Retailer 2$775 USD
Retailer 5$885 USD
Retailer 8$993 USD
Retailer 11$1,080 USD
Retailer 10$1,108 USD
Retailer 7$1,559 USD
Retailer 6$1,650 USD
Retailer 3$1,675 USD
MOH London$2,639 USD

31 data points across 12 retailers

14 retailers$577 USD to $2,639 USD

Retailer 1
-
$513 USD
Price last confirmed 11 days ago
Retailer 2
-
$574 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$577 USD
View
Final sale: no returns
Retailer 4
-
$637 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$775 USD
View
B+
Retailer 6
-
$885 USD
View
B+
Retailer 7
-
$993 USD
View
B+
Retailer 8
-
$1,080 USD
ZAR 17,455 ZAR
View
B+
Retailer 9
-
$1,108 USD
A$1,705 AUD
View
B+
Retailer 10
-
$1,559 USD
A$2,398 AUD
View
B
Retailer 11
-
$1,650 USD
View
Retailer 12
-
$1,675 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$2,350 USD
£1,850 GBP
View
Most Expensive
B
MOH London
LG776669278 · Oct 29
$2,639 USD
£2,078 GBP
View
13 more retailers have this diamond
Prices start from $577 USDSave up to $2,062 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
1.29ct Round
$577 USD