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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG816607508

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816607508

Diamond specifications and retailer prices

From $221 USD
As of October 29, 2026
Save $2,014 USD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,235 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG816607508 or 816607508. Listed at 23 retailers as of October 27, 2026, with prices from $221 to $2,235, a $2,014 spread on the same certified stone. Queensmith lists it at $2,235. 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 angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607508
Dimensions6.90 × 6.94 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
6.90 mm6.94 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607508
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.5%

Caratlytics Score

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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 29
Current: $2,235 USD|Low: $221 USD|High: $2,235 USD|Avg: $679 USD
Queensmith
Retailer 2
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Retailer 23
October 29, 2026
Retailer 4$221 USD
Retailer 14$248 USD
Retailer 8$257 USD
Retailer 5$274 USD
Retailer 23$274 USD
Retailer 3$307 USD
Retailer 10$370 USD
Retailer 17$438 USD
Retailer 13$454 USD
Retailer 18$471 USD
Retailer 2$509 USD
Retailer 9$519 USD
Retailer 7$526 USD
Retailer 19$671 USD
Retailer 22$825 USD
Retailer 6$882 USD
Retailer 21$885 USD
Retailer 15$889 USD
Retailer 12$935 USD
Retailer 16$945 USD
Retailer 20$1,101 USD
Retailer 11$1,261 USD
Queensmith$2,235 USD

22 data points across 23 retailers

23 retailers$221 USD to $2,235 USD

A
Cheapest Retailer
-
$221 USD
A
Retailer 2
-
$248 USD
View
Final sale: no returns
A
Retailer 3
-
$257 USD
View
A
Retailer 4
-
$274 USD
View
A
Retailer 5
-
$274 USD
View
A
Retailer 6
-
$307 USD
HK$2,400 HKD
View
B+
Retailer 7
-
$370 USD
View
A
Retailer 8
-
$438 USD
£345 GBP
View
A
Retailer 9
-
$454 USD
€432 EUR
View
A
Retailer 10
-
$471 USD
ZAR 7,614 ZAR
View
A
Retailer 11
-
$509 USD
£401 GBP
View
B+
Retailer 12
-
$519 USD
View
B+
Retailer 13
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$526 USD
View
B+
Retailer 14
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$671 USD
A$1,032 AUD
View
B
Retailer 15
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$825 USD
View
Price last confirmed 15 days ago
B
Retailer 16
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$882 USD
View
B
Retailer 17
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$885 USD
View
B
Retailer 18
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$889 USD
SGD 1,202 SGD
View
B
Retailer 19
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$935 USD
View
B
Retailer 20
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$945 USD
View
B+
Retailer 21
-
$1,101 USD
£867 GBP
View
B
Retailer 22
-
$1,261 USD
View
Most Expensive
B
Queensmith
LG816607508 · Oct 27
$2,235 USD
£1,760 GBP
View
22 more retailers have this diamond
Prices start from $221 USDSave up to $2,014 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
$221 USD