Round|Lab Grown|IGI

1.25ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG778645792

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645792

Diamond specifications and retailer prices

From $217 USD
As of November 1, 2026
Save $1,030 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,235 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.25ct lab-grown round diamond

This 1.25ct 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 LG778645792 or 778645792. Listed at 21 retailers as of November 1, 2026, with a 475% 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

1.25
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645792
Dimensions6.90 × 6.93 × 4.23 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
6.90 mm6.93 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645792
Side View
Table 59.0%Crown 34.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
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: Nov 1
Current: $464 USD|Low: $208 USD|High: $1,090 USD|Avg: $530 USD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 12$217 USD
Retailer 3$242 USD
Retailer 11$269 USD
Retailer 5$362 USD
Retailer 6$426 USD
Retailer 1$464 USD
Retailer 8$488 USD
Retailer 7$497 USD
Retailer 9$657 USD
Retailer 2$697 USD
Retailer 10$815 USD
Retailer 4$1,030 USD
Retailer 13$1,083 USD

33 data points across 13 retailers

21 retailers$217 USD to $1,247 USD

A
Cheapest Retailer
-
$217 USD
A
Retailer 2
-
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$269 USD
View
A
Retailer 4
-
$307 USD
HK$2,400 HKD
View
B+
Retailer 5
-
$362 USD
View
A
Retailer 6
-
$426 USD
£336 GBP
View
A
Retailer 7
-
$464 USD
ZAR 7,495 ZAR
View
A
Retailer 8
-
$488 USD
€465 EUR
View
A
Retailer 9
-
$497 USD
£392 GBP
View
B+
Retailer 10
-
$505 USD
View
B+
Retailer 11
-
$513 USD
View
B+
Retailer 12
-
$657 USD
A$1,010 AUD
View
B+
Retailer 13
-
$697 USD
View
Retailer 14
-
$815 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$872 USD
SGD 1,179 SGD
View
B
Retailer 16
-
$917 USD
View
B
Retailer 17
-
$922 USD
View
Retailer 18
-
$1,030 USD
View
Price last confirmed 16 days ago
B
Retailer 19
-
$1,083 USD
£853 GBP
View
B
Retailer 20
-
$1,247 USD
View
Most Expensive
Queensmith
LG778645792 · Oct 27
$2,235 USD
£1,760 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $217 USDSave up to $1,030 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
1.25ct Round
$217 USD