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Round|Lab Grown|IGI

1.00ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG778645742

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645742

Diamond specifications and retailer prices

From $214 SGD
$167 USD
As of October 29, 2026
Save $1,181 SGD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,296 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778645742 or 778645742. Listed at 23 retailers as of October 28, 2026, with a 552% 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

1.00
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645742
Dimensions6.34 × 6.39 × 3.91 mm
L/W Ratio1.01
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
6.34 mm6.39 mm1.00 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645742
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

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 29
Current: $453 SGD|Low: $205 SGD|High: $1,255 SGD|Avg: $545 SGD|+0.1%
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
Retailer 14
Retailer 15
October 29, 2026
Retailer 15$214 SGD
Retailer 13$238 SGD
Retailer 3$265 SGD
Retailer 2$359 SGD
Retailer 6$368 SGD
Retailer 1$453 SGD
Retailer 11$456 SGD
Retailer 10$467 SGD
Retailer 9$497 SGD
Retailer 5$574 SGD
Retailer 12$647 SGD
Retailer 14$697 SGD
Retailer 7$853 SGD
Retailer 4$871 SGD
Retailer 8$1,247 SGD

41 data points across 15 retailers

23 retailers$214 SGD to $1,395 SGD

A
Cheapest Retailer
-
$214 SGD
$167 USD
A
Retailer 2
-
$238 SGD
$186 USD
View
Final sale: no returns
A
Retailer 3
-
$249 SGD
$194 USD
View
A
Retailer 4
-
$265 SGD
$207 USD
View
A
Retailer 5
-
$265 SGD
$207 USD
View
A
Retailer 6
-
$295 SGD
HK$1,800 HKD
View
B+
Retailer 7
-
$359 SGD
$280 USD
View
A
Retailer 8
-
$368 SGD
$287 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$453 SGD
£278 GBP
View
B+
Retailer 10
-
$456 SGD
ZAR 5,741 ZAR
View
B+
Retailer 11
-
$467 SGD
£287 GBP
View
B+
Retailer 12
-
$497 SGD
€369 EUR
View
B+
Retailer 13
-
$519 SGD
$405 USD
View
Price last confirmed 87 days ago
B+
Retailer 14
-
$574 SGD
$448 USD
View
B+
Retailer 15
-
$647 SGD
A$776 AUD
View
B
Retailer 16
-
$697 SGD
$544 USD
View
B
Retailer 17
-
$727 SGD
View
B
Retailer 18
-
$853 SGD
$665 USD
View
B
Retailer 19
-
$871 SGD
$679 USD
View
B
Retailer 20
-
$923 SGD
$720 USD
View
B
Retailer 21
-
$1,247 SGD
£766 GBP
View
B
Retailer 22
-
$1,395 SGD
$1,088 USD
View
Most Expensive
B
Queensmith
LG778645742 · Oct 27
$2,296 SGD
£1,410 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $214 SGDSave up to $1,181 SGD

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
1.00ct Round
$214 SGD