Round|Natural|GIA

6.16ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5212125844

Certificate GIA 5212125844

Diamond specifications and retailer prices

From £106,392 GBP
HK$1,113,700 HKD
As of October 30, 2026
Save £43,285 GBP (29%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £149,677 GBP at Yorxs · As of October 30, 2026
View at Yorxs

About this 6.16ct natural round diamond

This 6.16ct natural round sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5212125844. Listed at 12 retailers as of October 30, 2026, with prices from £106,392 to £149,677, a £43,285 spread on the same certified stone. Yorxs lists it at £149,677. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

6.16
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5212125844
Dimensions11.81 × 11.86 × 7.24 mm
L/W Ratio1.00
Top View
11.81 mm11.86 mm6.16 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5212125844
Side View
Table 57.0%Crown 34°Girdle: THN-THNPavilion 41°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: Oct 30
Current: £113,911 GBP|Low: £103,041 GBP|High: £149,677 GBP|Avg: £121,966 GBP|+5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
October 31, 2026
Retailer 2£106,392 GBP
Retailer 12£109,330 GBP
Retailer 1£113,911 GBP
Retailer 3£114,199 GBP
Retailer 8£114,217 GBP
Retailer 7£115,588 GBP
Retailer 4£120,273 GBP
Retailer 9£132,196 GBP
Retailer 11£132,878 GBP
Retailer 5£133,681 GBP
Retailer 10£137,484 GBP
Retailer 6£142,771 GBP
Yorxs£149,677 GBP

43 data points across 13 retailers

12 retailers£106,392 GBP to £149,677 GBP

A
Cheapest Retailer
-
£106,392 GBP
HK$1,113,700 HKD
A
Retailer 2
-
£109,330 GBP
$146,490 USD
View
A
Retailer 3
-
£113,911 GBP
₹14,536,024 INR
View
B+
Retailer 4
-
£114,199 GBP
$153,014 USD
View
Retailer 5
-
£115,588 GBP
$154,875 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£120,273 GBP
$161,153 USD
View
Retailer 7
-
£132,196 GBP
$177,128 USD
View
Price last confirmed 9 days ago
Retailer 8
-
£132,878 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£133,681 GBP
View
Retailer 10
-
£137,484 GBP
$184,213 USD
View
Price last confirmed 9 days ago
Retailer 11
-
£142,771 GBP
$191,298 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Yorxs
LOT51 · Oct 30
£149,677 GBP
€191,001 EUR
View
11 more retailers have this diamond
Prices start from £106,392 GBPSave up to £43,285 GBP

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
6.16ct Round
£106,392 GBP