Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG838660684

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG838660684

Diamond specifications and retailer prices

From €170 EUR
$190 USD
As of October 30, 2026
Save €557 EUR (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,600 EUR at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant 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 LG838660684 or 838660684. Listed at 21 retailers as of October 30, 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 angle40.4°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838660684
Dimensions8.19 × 5.13 × 3.49 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.19 mm5.13 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838660684
Side View
Table 67.0%Crown 40.4°Girdle: STK-THKPavilion 33.7°Culet: NoneDepth 68.0%

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 30
Current: €198 EUR|Low: €170 EUR|High: €1,244 EUR|Avg: €538 EUR|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
October 31, 2026
Retailer 19€170 EUR
Retailer 12€191 EUR
Retailer 1€198 EUR
Retailer 3€212 EUR
Retailer 13€213 EUR
Retailer 2€242 EUR
Retailer 15€286 EUR
Retailer 8€349 EUR
Retailer 10€363 EUR
Retailer 14€384 EUR
Retailer 18€501 EUR
Retailer 11€525 EUR
Retailer 9€568 EUR
Retailer 16€681 EUR
Retailer 5€683 EUR
Retailer 4€692 EUR
Retailer 17€710 EUR
Retailer 20€727 EUR
Retailer 7€958 EUR
Retailer 6€998 EUR

22 data points across 20 retailers

21 retailers€170 EUR to €727 EUR

A+
Cheapest Retailer
-
€170 EUR
$190 USD
A
Retailer 2
-
€191 EUR
$213 USD
View
Final sale: no returns
A
Retailer 3
-
€198 EUR
$221 USD
View
A
Retailer 4
-
€212 EUR
$237 USD
View
Retailer 5
-
€213 EUR
$238 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€242 EUR
£213 GBP
View
B+
Retailer 7
-
€286 EUR
$320 USD
View
Retailer 8
-
€363 EUR
ZAR 6,556 ZAR
View
Price last confirmed 14 days ago
A
Retailer 9
-
€384 EUR
£338 GBP
View
A
Retailer 10
-
€501 EUR
$560 USD
View
Retailer 11
-
€525 EUR
A$903 AUD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
€568 EUR
$635 USD
View
B+
Retailer 13
-
€681 EUR
$761 USD
View
B+
Retailer 14
-
€683 EUR
$763 USD
View
B+
Retailer 15
-
€692 EUR
SGD 1,045 SGD
View
B+
Retailer 16
-
€710 EUR
$793 USD
View
B+
Retailer 17
-
€727 EUR
$813 USD
View
Retailer 18
-
€870 EUR
A$1,496 AUD
View
Price last confirmed 27 days ago
Retailer 19
-
€958 EUR
$1,070 USD
View
Price last confirmed 14 days ago
Retailer 20
-
€998 EUR
£878 GBP
View
Price last confirmed 11 days ago
Most Expensive
Helzberg Diamonds
ZXZOJOMMGMOK · Oct 13
€1,600 EUR
$1,788 USD
View
Price last confirmed 19 days ago
20 more retailers have this diamond
Prices start from €170 EURSave up to €557 EUR

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 Radiant
€170 EUR