Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG816601477

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816601477

Diamond specifications and retailer prices

From $190 USD
As of October 22, 2026
Save $622 USD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,109 USD at MOH London · As of October 21, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816601477 or 816601477. Listed at 19 retailers as of October 22, 2026, with a 328% 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

1.28
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816601477
Dimensions6.96 × 6.91 × 4.30 mm
L/W Ratio1.01
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
6.96 mm6.91 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816601477
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

Caratlytics Score

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

Price History

Last verified: Oct 22
Current: $1,109 USD|Low: $190 USD|High: $1,154 USD|Avg: $530 USD|-2.8%
MOH London
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
October 23, 2026
Retailer 13$190 USD
Retailer 4$213 USD
Retailer 6$236 USD
Retailer 7$236 USD
Retailer 10$374 USD
Retailer 8$399 USD
Retailer 9$406 USD
Retailer 14$413 USD
Retailer 12$515 USD
Retailer 3$560 USD
Retailer 2$577 USD
Retailer 15$759 USD
Retailer 11$761 USD
Retailer 5$812 USD
MOH London$1,109 USD

35 data points across 15 retailers

19 retailers$190 USD to $812 USD

A+
Cheapest Retailer
-
$190 USD
A
Retailer 2
-
$197 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$228 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$236 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$236 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$241 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$374 USD
£295 GBP
View
Price last confirmed 7 days ago
A
Retailer 8
-
$399 USD
ZAR 6,445 ZAR
View
A
Retailer 9
-
$406 USD
£320 GBP
View
A
Retailer 10
-
$413 USD
View
B+
Retailer 11
-
$515 USD
View
B+
Retailer 12
-
$560 USD
View
B+
Retailer 13
-
$577 USD
A$888 AUD
View
B+
Retailer 14
-
$759 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$761 USD
View
B+
Retailer 16
-
$784 USD
View
Price last confirmed 38 days ago
B
Retailer 17
-
$812 USD
View
B
Retailer 18
-
$897 USD
View
Price last confirmed 80 days ago
Most Expensive
B
MOH London
LG816601477 · Oct 21
$1,109 USD
£873 GBP
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from $190 USDSave up to $622 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+
1.28ct Round
$190 USD